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[AArch64] Implement gdbarch_core_read_description 

Currently, AArch64 only have one target description which is tdesc_aarch64.  So,
we haven't implemented any target description detection mechanism for core file.

This patch is an initial implementation of core_read_description method.  Future
features can use this to return selected description.

gdb/
	* aarch64-linux-tdep.c (aarch64_linux_core_read_description): New
	function.
	(aarch64_linux_init_abi): Register gdbarch_core_read_description.
This commit is contained in:
Jiong Wang 2017-08-09 15:37:20 +01:00
parent 29592bde87
commit b1a6c1cea3
2 changed files with 22 additions and 0 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2017-08-09 Jiong Wang <jiong.wang@arm.com>
* aarch64-linux-tdep.c (aarch64_linux_core_read_description): New
function.
(aarch64_linux_init_abi): Register gdbarch_core_read_description.
2017-08-09 Pedro Alves <palves@redhat.com>
* cp-name-parser.y (cp_comp_to_string): Return a

16
gdb/aarch64-linux-tdep.c
View File

@ -231,6 +231,20 @@ aarch64_linux_iterate_over_regset_sections (struct gdbarch *gdbarch,
NULL, cb_data);
}
/* Implement the "core_read_description" gdbarch method. */
static const struct target_desc *
aarch64_linux_core_read_description (struct gdbarch *gdbarch,
struct target_ops *target, bfd *abfd)
{
CORE_ADDR aarch64_hwcap = 0;
if (target_auxv_search (target, AT_HWCAP, &aarch64_hwcap) != 1)
return NULL;
return tdesc_aarch64;
}
/* Implementation of `gdbarch_stap_is_single_operand', as defined in
gdbarch.h. */
@ -1018,6 +1032,8 @@ aarch64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
set_gdbarch_iterate_over_regset_sections
(gdbarch, aarch64_linux_iterate_over_regset_sections);
set_gdbarch_core_read_description
(gdbarch, aarch64_linux_core_read_description);
/* SystemTap related. */
set_gdbarch_stap_integer_prefixes (gdbarch, stap_integer_prefixes);